Gastric triple test with high PG2 and positive carbon 13 does not require gastroscopy and basically confirms the presence of H. pylori infection and gastric mucosal damage. Gastric triple test mainly refers to the examination of pepsinogen 1, pepsinogen 2 and gastrin. When pepsin or pepsinogen is elevated in the examination program, it can be judged that there are lesions or malignant lesions in the gastric mucosa. Carbon 13 test is the main method to determine H. pylori infection. The carbon 13 test is the main method for determining H. pylori infection. It analyzes breath samples taken before and after taking medication to determine whether or not H. pylori infection exists in the patient. This program can basically confirm the symptoms of infection, so further gastroscopy is not necessary. After the results of the gastric test are clear and positive for carbon 13, it can be determined that the patient has gastrointestinal disease, and it is recommended that the patient follow the doctor’s instructions and standardize the treatment as soon as possible.